:root {
    --bg: #fdfdfb;
    --ink: #0f0f0f;
    --muted: #5a5a5a;
    --accent: #000000;
    --link: #0000ee;
    --max: 1200px;
}

.theme-dark {
    --bg: #0a0a0a;
    --ink: #f5f5f5;
    --muted: #b1b1b1;
    --accent: #ffffff;
    --link: #6b9fff;
}

* {
    box-sizing: border-box;
}

a {
    color: var(--link);
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: "Inter", "Space Mono", monospace;
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 220px;
    gap: 24px;
}

h1,
h2 {
    font-family: "Space Mono", monospace;
}

main {
    padding: 40px 32px 60px;
    max-width: var(--max);
}

nav {
    position: sticky;
    top: 0;
    height: 100vh;
    padding: 40px 18px 40px 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
}

nav a {
    color: var(--ink);
    text-decoration: none;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0.8px;
    text-transform: uppercase;
}

nav a:hover {
    color: var(--muted);
}

.theme-toggle {
    margin-top: auto;
    padding: 8px 10px;
    border: 1px solid var(--ink);
    background: transparent;
    color: var(--ink);
    font-family: "Space Mono", monospace;
    font-size: 12px;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
}

.hero-title {
    margin: 0;
    font-size: clamp(48px, 14vw, 144px);
    line-height: 0.9;
    text-transform: uppercase;
}

.tagline {
    margin: 8px 0 24px;
    font-size: 18px;
    color: var(--ink);
}

.block {
    margin-top: 30px;
}

.block::after {
    content: "";
    display: table;
    clear: both;
}

.block img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 20px 0;
}

.block img.img-small {
    max-width: 400px;
}

.block img.img-medium {
    max-width: 600px;
}

.block img.img-large {
    max-width: 800px;
}

.block img.img-left {
    float: left;
    margin: 0 20px 20px 0;
    max-width: 400px;
}

.block img.img-right {
    float: right;
    margin: 0 0 20px 20px;
    max-width: 400px;
}

.block h2 {
    margin: 0 0 10px;
    font-size: 16px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.list {
    list-style: disc;
    list-style-position: outside;
    padding: 0 0 0 20px;
    margin: 0;
    display: grid;
    gap: 8px;
}

.list.no-bullets {
    list-style: none;
    padding-left: 0;
}

.list li {
    font-size: 17px;
    color: var(--ink);
}

.list .muted {
    color: var(--muted);
}

.reveal-link {
    display: inline-block;
    padding: 8px 12px;
    border: 1px solid var(--ink);
    border-radius: 6px;
    background: var(--bg);
    color: var(--ink);
    text-decoration: none;
    box-shadow: 4px 4px 0 var(--ink);
    transition:
        transform 0.12s ease,
        box-shadow 0.12s ease,
        background 0.12s ease,
        color 0.12s ease;
}

.reveal-link:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 var(--ink);
}

.reveal-link.revealed {
    background: var(--ink);
    color: var(--bg);
    box-shadow: none;
    transform: none;
}

.footer-note {
    margin-top: 40px;
    color: var(--muted);
    font-size: 13px;
}

.verification-only {
    position: absolute;
    left: -9999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.big-button {
    display: inline-block;
    padding: 1rem 2rem; /* increase size */
    font-size: 1.25rem; /* make text bigger */
    font-weight: 600;
    background: #0077ff; /* button color */
    color: #fff;
    border-radius: 0.5rem;
    text-decoration: none;
    transition: transform 0.1s ease;
}

.big-button:hover {
    transform: scale(1.05); /* tiny playful bounce */
}

.big-button:active {
    transform: scale(0.97);
}

@media (max-width: 900px) {
    body {
        grid-template-columns: 1fr;
    }
    nav {
        position: static;
        height: auto;
        border-left: none;
        padding: 0 32px 24px;
        flex-direction: row;
        flex-wrap: wrap;
        gap: 10px 18px;
    }
    main {
        padding: 24px 24px 50px;
    }
}